Bishul Yisroel refers to the preparation of certain foods for which it is necessary for the Mashgiach to light the fire.
Chodosh, means literally "new", refers to the grain (wheat, barley, oats, rye, and spelt) that has not taken root before Passover. It is called "new grain." Its consumption may be restricted until the following Passover.
Cholov Yisroel refers to all dairy productions, including cheese and non-fat dry milk powder, which have been under constant Rabbinical supervision.
Fleishig - meat, denotes meat and poultry products, as well as dishes and utensils used in their preparation.
Glatt is the Yiddish word meaning smooth, and refers to beef from kosher slaughtered animals whose lungs are free of adhesions. Kosher consumers who are very stringent in accepting only high standards of kosher, demand that all meat products be "glatt." The term is often mistakenly used to differentiate food items which have higher standards of kashruth from those which have a more relaxed level of kosher certification.
Halacha, means literally, the path that one walks. It refers to Jewish Law, the complete body of rules and practices that Jews are bound to follow, including biblical commandments, directives of the Rabbis, and binding customs.
Hashgacha, means literally, supervision, generally refers to kosher supervision.
Hechsher refers to the certification of a kosher product or ingredient, given by a Rabbi or a kosher supervisory agency.
Kasher means "to make kosher", usually applied to the salting and soaking procedures used in the production of kosher meat and poultry. The term is also used to describe the kosherization procedure of a non-kosher facility or utensil, so that it may be used in the preparation of kosher food.
Kashruth means the state of being kosher.
Keilim are vessels or utensils.
Kli Rishon, literally the first utensil, refers to a utensil that is used for cooking, baking or roasting food or liquid, and contains that hot food or liquid. When hot food or liquid is transferred from the Kli Rishon into a second utensil, this utensil is called a Kli Sheni. A Kli Shlishi is the third utensil into which hot food or liquid is transferred.
Kosher is the Hebrew word meaning fit or proper, designating foods whose ingredients and manufacturing procedures comply with Jewish dietary laws.
Kosherization is the process of changing the status of equipment which had been used with non-kosher ingredients or products, to use with kosher ingredients or products.